The op/stat.t patch in #5341 wasn't robust enough,

[perl5.git] / t / op / goto.t

diff --git a/t/op/goto.t b/t/op/goto.t
old mode 100644 (file)
new mode 100755 (executable)
index 29bf797..7a5de5f
--- a/t/op/goto.t
+++ b/t/op/goto.t
@@ -1,10 +1,10 @@
 #!./perl
 
-# $RCSfile: goto.t,v $$Revision: 4.0.1.1 $$Date: 92/06/08 15:43:25 $
+# "This IS structured code.  It's just randomly structured."
 
-print "1..3\n";
+print "1..16\n";
 
-while (0) {
+while ($?) {
     $foo = 1;
   label1:
     $foo = 2;
@@ -29,5 +29,98 @@ label4:
 print "#2\t:$foo: == 4\n";
 if ($foo == 4) {print "ok 2\n";} else {print "not ok 2\n";}
 
-$x = `./perl -e 'goto foo;' 2>&1`;
+$PERL = ($^O eq 'MSWin32') ? '.\perl' : './perl';
+$x = `$PERL -e "goto foo;" 2>&1`;
+if ($x =~ /DCL-W-NOCOMD/) { $x = `\$ mcr sys\$disk:[]perl. -e "goto foo;"`; }
+
 if ($x =~ /label/) {print "ok 3\n";} else {print "not ok 3\n";}
+
+sub foo {
+    goto bar;
+    print "not ok 4\n";
+    return;
+bar:
+    print "ok 4\n";
+}
+
+&foo;
+
+sub bar {
+    $x = 'bypass';
+    eval "goto $x";
+}
+
+&bar;
+exit;
+
+FINALE:
+print "ok 13\n";
+
+# does goto LABEL handle block contexts correctly?
+
+my $cond = 1;
+for (1) {
+    if ($cond == 1) {
+       $cond = 0;
+       goto OTHER;
+    }
+    elsif ($cond == 0) {
+      OTHER:
+       $cond = 2;
+       print "ok 14\n";
+       goto THIRD;
+    }
+    else {
+      THIRD:
+       print "ok 15\n";
+    }
+}
+print "ok 16\n";
+exit;
+
+bypass:
+print "ok 5\n";
+
+# Test autoloading mechanism.
+
+sub two {
+    ($pack, $file, $line) = caller;    # Should indicate original call stats.
+    print "@_ $pack $file $line" eq "1 2 3 main $FILE $LINE"
+       ? "ok 7\n"
+       : "not ok 7\n";
+}
+
+sub one {
+    eval <<'END';
+    sub one { print "ok 6\n"; goto &two; print "not ok 6\n"; }
+END
+    goto &one;
+}
+
+$FILE = __FILE__;
+$LINE = __LINE__ + 1;
+&one(1,2,3);
+
+$wherever = NOWHERE;
+eval { goto $wherever };
+print $@ =~ /Can't find label NOWHERE/ ? "ok 8\n" : "not ok 8\n";
+
+# see if a modified @_ propagates
+{
+  package Foo;
+  sub DESTROY  { my $s = shift; print "ok $s->[0]\n"; }
+  sub show     { print "# @_\nnot ok $_[0][0]\n" if @_ != 5; }
+  sub start    { push @_, 1, "foo", {}; goto &show; }
+  for (9..11)  { start(bless([$_]), 'bar'); }
+}
+
+sub auto {
+    goto &loadit;
+}
+
+sub AUTOLOAD { print @_ }
+
+auto("ok 12\n");
+
+$wherever = FINALE;
+goto $wherever;